Fly about 2,600 light-years to Hubble Space Telescope imagery of the Cygnus loop nebula. See images from 2001 and 2020.

Watch NASA astronaut Don Pettit capture a breathtaking time-lapse from the International Space Station showing SpaceX ...

The 2026 total solar eclipse has come and gone, but that doesn’t mean the wonder has to end. Scientific American contributor and eclipse chaser Lucie McCormick watched the eclipse unfold from central ...

Mount Wilson Observatory is the name you often hear when astronomical milestones are described, such as the building of mega, majorly powerful telescopes or the discoveries of extremely distant ...